The article by Peter Singer discusses the concept of speciesism and the priority of animals depending upon the physical species that they belong to. He defines speciesism as the exploitation of one species over another owing to their superiority in terms of intelligence and power. The author also expresses his view with regards to the principal of equal consideration of interests and has stated his approval of supporting the basic moral principal of equal consideration. Singer has referred to the Bentham on the context of suffering as a characteristic that creates the importance of equal consideration. He supports Bentham by stating that the interest of all beings must be evaluated on the context of either their suffering or their enjoyment.